Science
Equation
Name
Ampère's Law
Equation
B
.
⁢
d
⁢
I
=
μ
0
I
C
Definition of terms
B
= magnetic flux density,
C
is a closed curve,
μ
0
= permeability of free space,
I
= current enclosed by
C
Comments
Ampère's Law states the scalar product of the magnetic flux density and the infinitesimal element of the path
C
to be equal to the magnetic constant multiplied by the current enclosed by the curve
C
.
It was discovered by André-Marie Ampère (1775 - 1836), the French physicist who did much to found electrodynamics.
References
Electromagnetism: Principles and Applications
, P Lorrain, D R Corson, W H Freeman and Co., 1978
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